9813709 has 16 divisors (see below), whose sum is σ = 11422080. Its totient is φ = 8363520.

The previous prime is 9813703. The next prime is 9813731. The reversal of 9813709 is 9073189.

9813709 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9813709 - 2⁵ = 9813677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9813703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6769 + ... + 8089.

It is an arithmetic number, because the mean of its divisors is an integer number (713880).

Almost surely, 2^9813709 is an apocalyptic number.

It is an amenable number.

9813709 is a deficient number, since it is larger than the sum of its proper divisors (1608371).

9813709 is a wasteful number, since it uses less digits than its factorization.

9813709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 9813709 is about 3132.6839930003. The cubic root of 9813709 is about 214.0972350510.

The spelling of 9813709 in words is "nine million, eight hundred thirteen thousand, seven hundred nine".